TL

Tracy Lammers

AG Amesbury Group: 20 patents #3 of 57Top 6%
Overall (All Time): #193,129 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11834866 Flexible coupling for electronic deadbolt systems Douglas John Criddle 2023-12-05
11781355 Roller assembly with side-accessed adjustment mechanism 2023-10-10
11661771 Electronic drive for door locks Douglas John Criddle 2023-05-30
11634931 Modular electronic deadbolt systems Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2023-04-25
11441333 Electronic deadbolt systems Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2022-09-13
11248396 Sealed keeper sensors Gary E. Tagtow, Matt Halbersma, Michael Lee Anderson 2022-02-15
11021892 Locking system having an electronic keeper Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2021-06-01
10968661 Locking system having an electronic deadbolt Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2021-04-06
10808424 Modular multi-point lock Douglas John Criddle, Gary E. Tagtow, Michael Lee Anderson 2020-10-20
10662675 Modular electronic deadbolt systems Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2020-05-26
10557300 Garage door access remote Gary E. Tagtow, Matt Halbersma, Douglas John Criddle, Michael Lee Anderson 2020-02-11
9885200 Handle-actuated sliding door lock actuation assemblies Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tim Eggebraaten 2018-02-06
9765550 Passive door lock mechanisms Austin Hemmingsen, Allen Rickenbaugh, Gary E. Tagtow 2017-09-19
9758997 High security lock for door Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Allen Rickenbaugh 2017-09-12
9605444 Entry door latch actuator system Allen Rickenbaugh, Gary E. Tagtow, Bruce Hagemeyer 2017-03-28
9428937 Multi-point lock having sequentially-actuated locking elements Gary E. Tagtow, Allen Rickenbaugh, Eric J. Adamson, Austin Hemmingsen, Dan Raap 2016-08-30
8628126 High security lock for door Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Allen Rickenbaugh 2014-01-14
8438703 Positionable hinge Gary E. Tagtow, Matthew L. Halbersma, Allen Rickenbaugh, Matt Coplan, Eric J. Adamson 2013-05-14
8429794 Adjustable door hinge Gary E. Tagtow, Matt Coplan 2013-04-30
8382166 High security lock for door Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Allen Rickenbaugh 2013-02-26
8348308 High security lock for door Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Allen Rickenbaugh 2013-01-08
7090237 Apparatus for pulling a trailer behind a boat trailer 2006-08-15